cerror.S revision 302408
1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: FreeBSD: src/lib/libc/i386/sys/cerror.S,v 1.11 2001/08/13 33 */ 34 35#include <machine/asm.h> 36__FBSDID("$FreeBSD: stable/11/lib/libc/sparc64/sys/cerror.S 165903 2007-01-09 00:28:16Z imp $"); 37 38#include "SYS.h" 39 40 .text 41 .align 16 42 .globl HIDENAME(cerror) 43 .type HIDENAME(cerror),@function 44 45 /* 46 * The __error() function is thread aware. For non-threaded 47 * programs and the initial threaded in threaded programs, 48 * it returns a pointer to the global errno variable. 49 */ 50 .globl CNAME(__error) 51HIDENAME(cerror): 52 save %sp, -CCFSZ, %sp 53 call CNAME(__error) 54 nop 55 stw %i0, [%o0] 56 mov -1, %i0 57 ret 58 restore %g0, -1, %o1 59END(HIDENAME(cerror)) 60